Nestable mailbox



FIG. 1 is a front elevational view of a nestable mailbox showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front perspective view with the door in an open position;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a front elevational view of a second embodiment of a nestable mailbox showing my new design, the undisclosed top, bottom, sides and rear are not part of the claimed design; and,

FIG. 6 is a front elevational view in an open position.

The broken line showing of the letters in FIGS. 3 and 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a nestable mailbox, as shown and described. 